64 COMPOSITE ( Harv.) [ Marre. 
Has. Between Kaus, Natvoet, and Doornpoort, near the Gariep, Drege / (Herb. 
D., Hk., Sd.) 
A depressed or prostrate, closely leafy annual, with large, blue-rayed, nearly ses- 
sile fl. heads, and crowded leaves. Lvs. 1-14 in. long, 1-2 lines wide. The paler 
of recept. and achenes are different from those of other species. 
XIII. MAIREA, DC. 
Heads many-flowered, heterogamous; ray-fl. ligulate, female and 
fertile; disc-fl, tubular, 5-toothed, hermaphrodite, either fertile or sterile. 
Recept. naked. Jnvol. subimbricate. Anthers simple at base. Achenes 
plano-compressed, glabrous or sparsely pilose. Pappus in one series, 
of feathered bristles. DC. Prod. 5, p. 217. 
Herbaceous perennials, or small, slender, shrubby plants, associated by an artificial 
character, the feathery pappus. Leaves alternate, Stems or branches naked at the 
summit, peduncular, one-headed, rarely corymbose. Disc yellow; ray purple-blue or 
white, in one species yellow. The name is in honour of M, Maire, a Prussian 
explorer, who accompanied Mundt in his South African travels. 
1. Pteropappus (Less.): Disc-flowers fertile. Herbaceous plants, with expanded 
leaves. (Sp. 1-3). 
Stemless. Rad. leaves obovate-oblong, cobwebby, at length 
abrous, wrens sae BOP A SIS: A eet) eremates 
Caulescent. Lvs. obl.-obovate, densely hairy beneath, crenate (2) hirsuta. 
Nearly stemless. Lvs. linear-spathulate, hairy, subentire... (3) perezioides. 
2. Zyrphelis (Cass.): Disc-flower sterile. Rays blue or white. Mostly suffrutices. 
Leaves linear or linear-lanceolate, quite entire, rigid, ciliate. (Sp. 4-9). 
Nearly stemless. Rad. lvs. linear-spathulate, 4-5 incheslong (4) Burchellii. 
Branching undershrubs, with linear or subulate, ciliate lvs. : 
Heads terminating leafless branches (or peduncles ) : 
Achenes glabrous (or microscopically setulose) ... (5) taxifolia. 
Ach. densely silky ; heads many-fl.,invol. acuminate (6) lasiocarpa. 
Ach. pilose ; heads small, few-fi.; inv. scal.subacute (7) microcephala. 
Heads terminating leafy branches, small and few-fl. . 8) foliosa, 
Heads corymbose, on bracteate pedunc., ach. canescent (9) corymbosa. 
3. Homochroma (DC.): Rays yellow. Disc sterile. A sca- 
brous: sutirntee i os Sie eer es 
Szct. 1. PTEROPAPPUS: Disc-fl. fertile (Sp. 1-3). 
1. M. crenata (Nees. Ast. 348); stemless; leaves crowded round the 
crown of the root, obovate-oblong, tapering into a petiole, thickish, 
1-nerved, bluntly toothed, cobwebby, becoming glabrous; peduncle 
scape-like, woolly, with 2-3 distant, linear bracts; invol. scales pilose, 
membrane-edged. DC.l.c.217. Arnica crenata, Th. ! Cap. 668. Gerbera 
‘a crenata, Bot. Reg.t. 855. Aster crenatus, Less. 
Has. Langekloof, Thunb.; Table Mnt. summit, common, Mundt and Maire, 
Drege, W. H. H., &c.; Swellendam, £.¢ Z. (Herb. Th., D., Sd., Hk.) 
Root-stock thickish. Radical leaves numerous, tufted, including the imperfect 
petiole, 2-3 inches long, 4-3 inch wide, their teeth callous-tipped. Peduncles 2-19 
inches high, at first densely covered with coarse, whitish, curly hairs, afterwards 
almost nude. Flowers large and handsome, the disk an inch across; rays nearly 
uncial, violet-purple. “ 
2. M. hirsuta (DC.1.c.217); stem ascending, subsimple, very hairy, 
leafy to near the middle; leaves oblong-obovate, tapering into a petiole, 
r-nerved, bluntly toothed, pilose, becoming glabrous above, densely 
